Cyanidin-3-O-arabinoside chloride (CAS 111613-04-8) is a naturally occurring anthocyanin that has garnered significant attention in the scientific community for its multifaceted properties. Primarily recognized for its potent antioxidant capabilities and its role as a vibrant natural pigment, this compound also serves a crucial function as an analytical standard in various research disciplines. For scientists and researchers, the availability of high-purity, well-characterized analytical standards is paramount for accurate experimentation and reliable data interpretation.

This article delves into the specific applications of Cyanidin-3-O-arabinoside chloride within scientific research, focusing on its utility as an analytical standard. We will also touch upon its chemical characteristics and provide guidance on sourcing this essential research chemical from reputable manufacturers and suppliers, particularly those based in China.

The Role of Cyanidin-3-O-arabinoside Chloride as an Analytical Standard

An analytical standard is a substance of known purity and identity that is used as a reference point in analytical testing. In the context of natural products chemistry, compounds like Cyanidin-3-O-arabinoside chloride are essential for:

1. Quantification: Researchers use analytical standards to quantify the presence and concentration of specific compounds in complex matrices, such as plant extracts, food products, or biological samples. Techniques like High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS) rely on reference standards to calibrate instruments and validate results. The high purity (often ≥95% or ≥98% by HPLC) of Cyanidin-3-O-arabinoside chloride as an analytical standard ensures the accuracy of such quantitative measurements.

2. Identification: By comparing the chromatographic retention times, spectral data (e.g., UV-Vis, MS), and other physical properties of an unknown sample against those of the standard, researchers can confirm the identity of Cyanidin-3-O-arabinoside chloride in their samples.

3. Method Development and Validation: When developing new analytical methods for detecting and quantifying anthocyanins, having a reliable standard is indispensable. It allows researchers to optimize parameters, assess method sensitivity, specificity, linearity, and accuracy.

4. Quality Control: In industries that utilize natural pigments or bioactive compounds, analytical standards are vital for quality control. They ensure that raw materials and finished products meet specified standards for identity and purity.

Chemical Properties and Sourcing Considerations

Cyanidin-3-O-arabinoside chloride is characterized by its chemical formula C20H19ClO10 and typically appears as a dark red powder. Its solubility in various organic solvents like DMSO, methanol, or ethanol makes it amenable to standard analytical procedures. When sourcing this compound specifically for use as an analytical standard, it is crucial to ensure it is supplied with comprehensive documentation, including a detailed Certificate of Analysis (CoA) that specifies its purity and the analytical methods used for its determination.

For researchers and procurement specialists looking to purchase Cyanidin-3-O-arabinoside chloride, identifying suppliers who specialize in high-purity natural products is key. Manufacturers in China are often a primary source for these compounds, offering competitive pricing due to efficient production processes. When obtaining quotes, inquire about the purity assay (e.g., ≥95% HPLC), the presence of a CoA, and the recommended storage conditions (typically <-15°C or -20°C for long-term stability).

Benefits for Research and Industry

The availability of reliable Cyanidin-3-O-arabinoside chloride analytical standards facilitates groundbreaking research into plant bioactives, nutraceuticals, and functional foods. It supports the development of new analytical techniques and the quality assurance of products containing anthocyanins. For companies in the food sector looking for natural colorants, having a precise standard helps in achieving consistent coloration and meeting regulatory requirements.

In conclusion, Cyanidin-3-O-arabinoside chloride (CAS 111613-04-8) is more than just a natural pigment; it is a critical tool in scientific research as an analytical standard. By partnering with reputable manufacturers and suppliers, researchers can ensure the integrity and accuracy of their work, contributing to advancements in various scientific fields. Always prioritize quality and thorough documentation when making your purchase.